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Chen Y, Tang F, Qin H, Yue X, Nie Y, Huang W, Ye M. Endo-M Mediated Chemoenzymatic Approach Enables Reversible Glycopeptide Labeling for O-GlcNAcylation Analysis. Angewandte Chemie (International ed. in English) 2022 61(23) 35289036
Abstract:
To selectively enrich O-linked β-N-acetylglucosamine (O-GlcNAc) peptides in their original form from complex samples, we report the first reversible chemoenzymatic labeling approach for proteomic analysis. In this strategy, the O-GlcNAc moieties are ligated with long N-glycans using an Endo-M mutant, which enables the enrichment of the labeled glycopeptides by hydrophilic interaction liquid chromatography (HILIC). The attached glycans on the enriched glycopeptides are removed by wild-type Endo-M/S to restore the O-GlcNAc moiety. Compared with classic chemoenzymatic labeling, this approach enables the tag-free identification, and eliminates the interference of bulky tags in glycopeptide detection. This approach presents a unique avenue for the proteome-wide analysis of protein O-GlcNAcylation to promote its mechanism research.
O-GlcNAc proteins:
TM271, HEAT9, SBNO1, P121B, GGT3, TAF4, AGRIN, MEIS1, RNT2, NFIB, MA2B1, CDKA1, ABLM1, ADA10, KMT2D, MYPT1, ZN609, SC16A, PLXB2, SET1A, VA0E1, TNC18, TLR3, TET3, PRPF3, IF4G3, ZN207, AKAP8, CALU, EXTL3, PCDH7, TRAK2, GANP, TSN3, MAFK, KERA, SRGP2, ANR17, NCOR1, U520, CRTAP, ATRN, CBPD, RMP, TOX4, SC24D, SRBS2, SUN1, ERLN2, PCF11, SCAF4, VAPB, SMC2, SC24B, CNOT4, EGFR, HPT, GLHA, LMNA, NU3M, VTNC, GCR, A1BG, K2C1, HSPB1, RPN1, AT1B1, K1C18, K2C8, ITAV, GDN, TRY1, SAP, MET, NFIC, VIME, K2C7, SNRPA, UCRIL, ATX1L, NT2NC, LYAG, LAMC1, PPAL, LAMP1, MPRI, TPR, SKIL, T2FB, GLU2B, NID1, PO2F1, MCP, ZEP1, CD36, ATF7, EGR1, SON, ATF1, ICAL, CO5A1, ASPG, SFPQ, ITA3, NKG2A, ARNT, TEAD1, 3MG, TKT, UFO, HXA11, HXC9, ZEP2, HNRH1, ELF1, CD68, RFC1, FBN1, NU214, RL4, SCNNA, SRP14, NUP62, TAGL2, CUX1, IL6RB, PBX2, STAT3, NBL1, LAP2A, LAP2B, LIFR, PCP, ECE1, MUC18, MATR3, SSRB, VDAC2, ATRX, NOTC1, UTRN, RFX5, HSP13, CCN3, AGRE5, NR2C2, CDK8, CENPF, YLPM1, RBM25, NU153, RBP2, TAF6, EMD, PPT1, SMCA4, AGFG1, NUP98, PTTG, ATX1, AT1B3, AF17, DSRAD, LAMB2, CAD13, ITA1, NU107, TGFB2, ACTG, CXAR, PITX1, CNTP1, ABCA4, PHC1, ADA17, KGD4, SARNP, FOXK1, DAB2, HNRPU, SPTB2, FOXK2, MEF2A, SP3, PLOD1, KMT2A, UPAR, IF4G1, NOTC2, SRS11, SUH, MFGM, AHNK, TMM62, GALT1, BST2, SIA4C, ASPH, BPTF, NFIA, FOXC1, ADAM9, NFAC2, MAMD1, NAB1, TBB3, PKD2, LAMB3, KLF5, NFYC, CDK13, SCRB2, LRP8, VEZF1, UBP2L, LAGE3, MDC1, RRP1B, MEF2D, ARI5B, NUMA1, PON2, RCN1, TAF1C, SF01, MED1, JHD2C, ELF2, TAB1, ZFHX3, ZYX, ADRM1, LAMA4, TAF9, FOXD1, LAMA3, RFX7, QSER1, SVEP1, SYTL3, EPC2, LUZP6, CRTC2, YIF1B, BCORL, BRD10, PRC2B, ZN362, LRIF1, UBAP2, RBM26, VP13D, RPRD2, RN220, ZN318, TASO2, ECM29, ARID2, SE1L3, BICRL, SCAR3, NIPBL, LIN54, FSTL4, TET2, ZNT6, GOLM2, NFRKB, S39A4, ZC3HE, FIP1, CRTC3, PLGT2, SUSD1, MCAF1, BCOR, IGS10, B3GLT, CD109, FRRS1, SRCAP, NBEL1, UBN2, RAPH1, HAKAI, ASXL2, SPT6H, KDM3B, NRK, NUP54, POGZ, MAVS, PK1L3, PLGT3, EMSY, RAI1, YTHD3, LDB1, LYRIC, OSTM1, PRSR1, DDX42, P66A, FOXP4, CTL2, TEX2, MGAP, ANKH1, SUGP1, NUP93, PLD6, FNBP4, ARFG1, PMGT2, GOLM1, PGLT1, TM87A, FSAF1, PHC3, SP20H, ARI1B, NUP35, OR6C4, VA0E2, PLBL2, PUM2, SPP2B, DLG5, GPX8, PO210, ZN384, LMO7, MUC16, P66B, BBX, SMG7, NICA, TM131, PHF3, TAF4B, GGH, GSLG1, FUBP2, LPP, NCLN, TTC17, FKB10, TOM6, PF21A, RBM33, I17RA, P121A, PDLI5, CREL1, FUBP3, TXD15, LOXL4, VCIP1, CHAP1, Z512B, ZFR, EP400, HUTU, RBM14, KI20B, PHF12, PANX1, CIC, MED15, ERBIN, JMJD8, MINT, TEAD3, SEM3C, WAC, DIDO1, HNRL1, TM109, NUP58, M4A8, YTHD1, ULBP3, AMRA1, TANC1, TWSG1, S22A4, SP130, APC1, I2BPL, WNT5B, VP33B, EPC1, ADNP, ZN106, FOXP1, PTN23, WNK1, SIA7D, ZHX3, PIEZ2, SG196, TM231, PEAK1, DOCK5, CF155, CNO10, MLXIP, SIAE, PKHA5, RC3H2, TAF9B, ZBT20, NCOA5, TANC2, ZN532, CELR2, APMAP, ABCB9, CHSTB, UBN1, NECT3, PDLI7, RBM12, OCAD1, CARF, ETAA1, HXC10, TAB2, CELR1, CDK12, CNOT2, CRIM1, TMEM9, RCC2, CHD7, RBM27, KANL3, MRC2, SUCO, TCF20, SUN2, UBQL2, LCAP, GGT7, TASOR, GMEB2, ZHX1, DSE, WWC3, MRTFB, ZBT21, PRR12, YETS2, NOTC3, KMT2B, PRP19, MINP1, SCAF8, ZC3H4, SRRM2, SCML2, UST, ICE1, ZN281, DAAM1, IRS2, PRC2C, NCOR2, NPTN, GMEB1, POMT1, S4A7, S23IP
Species: Homo sapiens
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Chen Y, Qin H, Yue X, Zhou J, Liu L, Nie Y, Ye M. Highly Efficient Enrichment of O-GlcNAc Glycopeptides Based on Chemical Oxidation and Reversible Hydrazide Chemistry. Analytical chemistry 2021 93(49) 34846842
Abstract:
Protein O-GlcNAcylation has been implicated in a broad range of cellular processes, while the functional research is still lagging behind other post-translational modification (PTMs), as a result of the low stoichiometry and limited enrichment efficiency. Herein, a strategy, named CHO-GlcNAc, was developed for O-GlcNAc glycopeptide enrichment. In this strategy, the O-GlcNAc glycopeptides were first enzymatically labeled with a Gal moiety, followed by chemical oxidation to efficiently introduce the aldehyde groups. The labeled O-GlcNAc glycopeptides could be efficiently enriched based on the equilibrium between the hydrazine and oxime bonds. Good specificity of the glycopeptide enrichment was observed from the mixtures of glycopeptide and non-glycopeptides using the CHO-GlcNAc method. Then, it was applied to analyze O-GlcNAcylation in the nucleus of HeLa cells, and 829 potential O-GlcNAcylation sites on 274 glycoproteins were identified, including the two readers of m6A (YTHDF1 and YTHDF3), which could provide clues for the mechanism of crosstalk between O-GlcNAcylation and other PTMs of proteins and RNA. Thus, this method could be a versatile tool for the proteomic analysis of O-GlcNAcylation.
O-GlcNAc proteins:
TAF4, KMT2D, MAFK, BRD4, ANR17, NCOR1, TOX4, SC24B, LMNA, GCR, CO4A2, PRS56, NT2NC, ZEP1, MAP4, ZEP2, BASI, NU214, CUX1, LAP2A, KI67, STT3A, RFX5, NU153, RBP2, TAF6, BI1, ACTG, PITX1, SPTB2, TOP2B, IF4G1, CKAP4, AHNK, ASPH, BPTF, NFIA, FOXC1, ADAM9, VEZF1, UBP2L, RRP1B, MEF2D, NUMA1, SF3A2, ZFHX3, ADRM1, QSER1, EPC2, RPRD2, EF1A3, TASO2, NIPBL, LIN54, NFRKB, ZC3HE, FIP1, CRTC3, ARAID, BCOR, SRCAP, NUP54, POGZ, EMSY, YTHD3, DDX42, P66A, MGAP, CHERP, NUP93, FNBP4, CPSF7, TNR6A, PHC3, SP20H, STT3B, LMO7, P66B, PF21A, KLRG1, CLP1L, ZFR, EP400, RBM14, VP13A, PIGS, MINT, SRRT, YTHD1, SP130, I2BPL, TARA, WNK1, ZHX3, PKHA5, UBN1, CARF, CDK12, RBM27, TCF20, SUN2, GMEB2, YETS2, SRRM2, NCOR2
Species: Homo sapiens
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